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Finding the Fourth Proportional to 370,575.56, 555,896.14 and 104,338.36

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Solution

The fourth proportional to 370,575.56, 555,896.14 and 104,338.36 is: 156,516.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,575.56 : 555,896.14 = 104,338.36 : x
  2. Step 2: Convert to fraction form
    370,575.56/555,896.14 = 104,338.36/x
  3. Step 3: Cross multiply
    370,575.56x = 555,896.14 × 104,338.36
  4. Step 4: Simplify right side
    370,575.56x = 58,001,291,577.93
  5. Step 5: Solve for x
    x = 58,001,291,577.93/370,575.56
  6. Step 6: Final answer
    x = 156,516.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.